Author: stas
Date: Sat Sep 26 20:07:48 2009
New Revision: 197529
URL: http://svn.freebsd.org/changeset/base/197529
Log:
- MFC r196410 by peter@:
Fix signed comparison bug when ticks goes negative after 24 days of
uptime. This causes the tcp time_wait state code to fail to expire
sockets in timewait state.
Modified:
stable/7/sys/ (props changed)
stable/7/sys/contrib/pf/ (props changed)
stable/7/sys/netinet/tcp_timewait.c
Modified: stable/7/sys/netinet/tcp_timewait.c
==============================================================================
--- stable/7/sys/netinet/tcp_timewait.c Sat Sep 26 19:00:47 2009
(r197528)
+++ stable/7/sys/netinet/tcp_timewait.c Sat Sep 26 20:07:48 2009
(r197529)
@@ -587,7 +587,7 @@ tcp_tw_2msl_scan(int reuse)
INP_INFO_WLOCK_ASSERT(&tcbinfo);
for (;;) {
tw = TAILQ_FIRST(&twq_2msl);
- if (tw == NULL || (!reuse && tw->tw_time > ticks))
+ if (tw == NULL || (!reuse && (tw->tw_time - ticks) > 0))
break;
INP_WLOCK(tw->tw_inpcb);
tcp_twclose(tw, reuse);
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